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22,639
RESULTS

Media Type
21,398
texts
465
images
276
concerts
260
movies
237
audio
2
data
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Topics & Subjects
10,817
ERIC Archive
5,443
NASA Technical Reports Server (NTRS)
1,636
DTIC Archive
1,576
Higher Education
945
Program Evaluation
905
Secondary Education
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Collection
10,817
Education Resources Information Center (ERIC) Archive
5,443
NASA Network Resource and Training Site
1,636
Defense Technical Information Archive
938
NASA Technical Documents
743
American Libraries
472
NASA Images
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Creator
10,817
eric
5,443
nasa technical reports server (ntrs)
1,636
defense technical information center
313
lee enterprises
258
grateful dead
233
ukrainian national association, inc.
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Language
21,198
English
233
Ukrainian
55
Korean
27
Thai
23
Dutch
19
Spanish
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